2014 MAZDA MODEL 3 HATCHBACK warning light

7–25
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
Signal Warning
Electronic Brake Force
Distribution System
Warning If the electronic brake force distribution control unit determines that some components
are operating incorrectly, the control unit may illuminate the brake system warning
light and the ABS warning light simultaneously. The problem is likely to be the
electronic brake force distribution system.WARNING
Do not drive with both the ABS warning light and brake warning light illuminated.
Have the vehicle towed to an Authorized Mazda Dealer to have the brakes
inspected as soon as possible:
Driving when the brake system warning light and ABS warning light are
illuminated simultaneously is dangerous.
When both lights are illuminated, the rear wheels could lock more quickly in an
emergency stop than under normal circumstances.
Charging System
Warning Light If the warning light illuminates while driving, it indicates a malfunction of the
alternator or of the charging system.
Drive to the side of the road and park off the right-of-way. Consult an Authorized
Mazda Dealer.CAUTION
Do not continue driving when the charging system warning light is illuminated
because the engine could stop unexpectedly.
Engine Oil Warning
Light This warning light indicates low engine oil pressure.
CAUTION
Do not run the engine if the oil pressure is low. Otherwise, it could result in extensive
engine damage.
If the light illuminates or the warning indication is displayed while driving:
1. Drive to the side of the road and park off the right-of-way on level ground.
2. Turn off the engine and wait 5 minutes for the oil to drain back into the oil pan.
3. Inspect the engine oil level 6-28 . If it's low, add the appropriate amount of engine oil
while being careful not to overfi ll.
CAUTION
Do not run the engine if the oil level is low. Otherwise, it could result in extensive
engine damage.
4. Start the engine and check the warning light.
If the light remains illuminated even though the oil level is normal or after adding oil,
stop the engine immediately and have your vehicle towed to an Authorized Mazda
Dealer.
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7–26
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
Signal Warning
(Red)
High Engine Coolant
Temperature Warning
Light The light fl ashes when the engine coolant temperature is extremely high, and
illuminates when the engine coolant temperature increases further.
Handling Procedure
Flashing light
Drive slowly to reduce engine load until you can fi nd a safe place to stop the vehicle
and wait for the engine to cool down.
Illuminated light
This indicates the possibility of overheating. Park the vehicle in a safe place
immediately and stop the engine.
Refer to Overheating 7-19 .
CAUTION
Do not drive the vehicle with the high engine coolant temperature warning light
illuminated. Otherwise, it could result in damage to the engine.
Power Steering
Malfunction Indicator
Light The light illuminates/fl ashes if the electric power steering has a malfunction.
If the light illuminates/fl ashes, stop the vehicle in a safe place and do not operate the
steering wheel. There is no problem if the light turns off after a while. Contact an
Authorized Mazda Dealer if the light illuminates/fl ashes continuously.
NOTE
yIf the indicator light illuminates/fl ashes, the power steering will not operate normally.
If this happens, the steering wheel can still be operated, however, the operation may
feel heavy compared to normal, or the steering wheel could vibrate when turning.
y Repeatedly jerking the steering wheel left and right while the vehicle is stopped or
moving extremely slowly will cause the power steering system to go into protective
mode which will make the steering feel heavy, but this does not indicate a problem. If
this occurs, park the vehicle safely and wait several minutes for the system to return
to normal.
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*Some models.7–27
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
Contact Authorized Mazda Dealer and Have Vehicle Inspected
If any of the following warning lights turns on/fl ashes, the system may have a malfunction.
Contact an Authorized Mazda Dealer to have your vehicle inspected.
Signal Warning
Master Warning
Light
y(Vehicles with type B audio)
The light turns on when the system has a malfunction.
Operate the audio display and verify the content.
Refer to If a Warning Light Turns On or Flashes on page 7-24 .
y(Vehicles without type B audio)
The light illuminates continuously if any one of the following occurs. Consult an
Authorized Mazda Dealer.
y There is a malfunction in the battery management system. y There is a malfunction in the brake switch.
ABS Warning Light If the ABS warning light stays on while you're driving, the ABS control unit has detected a
system malfunction. If this occurs, your brakes will function normally as if the vehicle had
no ABS.
Should this happen, consult an Authorized Mazda Dealer as soon as possible. NOTE
yWhen the engine is jump-started to charge the battery, uneven rpm occurs and the ABS
warning light may illuminate. If this occurs, it is the result of the weak battery and does
not indicate an ABS malfunction.
Recharge the battery.
yThe brake assist system does not operate while the ABS warning light is illuminated.
Check Engine Light If this light illuminates while driving, the vehicle may have a problem. It is important to
note the driving conditions when the light illuminated and consult an Authorized Mazda
Dealer.
The check engine light may illuminate in the following cases:
y The fuel tank level being very low or approaching empty. y The engine's electrical system has a problem. y The emission control system has a problem. y The fuel-fi ller cap is missing or not tightened securely.
If the check engine light remains on, or it fl ashes continuously , do not drive at high speeds
and consult an Authorized Mazda Dealer as soon as possible.
Automatic
Transaxle Warning
Light
*
The light/indication illuminates when the transaxle has a problem.
CAUTION
If the automatic transaxle warning light illuminates, the transaxle has an electrical
problem. Continuing to drive your Mazda in this condition could cause damage to your
transaxle. Consult an Authorized Mazda Dealer as soon as possible.
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*Some models.7–28
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
Signal Warning
Air Bag/Front Seat
Belt Pretensioner
System Warning
Light
A system malfunction is indicated if the warning light constantly fl ashes, constantly
illuminates or does not illuminate at all when the ignition is switched ON. If any of these
occur, consult an Authorized Mazda Dealer as soon as possible. The system may not operate
in an accident.
WARNING
Never tamper with the air bag/pretensioner systems and always have an Authorized
Mazda Dealer perform all servicing and repairs:

Self-servicing or tampering with the systems is dangerous. An air bag/pretensioner
could accidentally activate or become disabled causing serious injury or death.
Tire Pressure
Monitoring System
Warning Light
*
If the tire pressure monitoring system has a malfunction, the tire pressure warning
light fl ashes for about 1 minute when the ignition is switched ON and then continues
illuminating. Have your vehicle checked by an Authorized Mazda Dealer as soon as
possible.
WARNING
If the tire pressure monitoring system warning light illuminates or fl ashes, or the tire
pressure warning beep sound is heard, decrease vehicle speed immediately and avoid
sudden maneuvering and braking:
If the tire pressure monitoring system warning light illuminates or fl ashes, or the tire
pressure warning beep sound is heard, it is dangerous to drive the vehicle at high
speeds, or perform sudden maneuvering or braking. Vehicle drivability could worsen
and result in an accident.
To determine if you have a slow leak or a fl at, pull over to a safe position where you can
check the visual condition of the tire and determine if you have enough air to proceed
to a place where air may be added and the system monitored again by an Authorized
Mazda Dealer or a tire repair station.

Do not ignore the TPMS Warning Light:
Ignoring the TPMS warning light is dangerous, even if you know why it is illuminated.
Have the problem taken care of as soon as possible before it develops into a more
serious situation that could lead to tire failure and a dangerous accident.
(Red)
(Illuminate)
KEY Warning Light If any malfunction occurs in the keyless entry system, it illuminates continuously.
CAUTION
If the key warning indicator light illuminates or the push button start indicator light
(amber) fl ashes, the engine may not start. If the engine cannot be started, try starting it
using the emergency operation for starting the engine, and have the vehicle inspected
at an Authorized Mazda Dealer as soon as possible.
Refer to Emergency Operation for Starting the Engine on page 4-10 .
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*Some models.7–29
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
Signal Warning
(Amber)
(Flashes)
Lane Departure
Warning System
(LDWS) Warning
Light
*
The warning light fl ashes when the system has a malfunction. Have your vehicle inspected
at an Authorized Mazda Dealer. The LDWS does not operate when the warning light fl ashes.
CAUTION
¾ If any of the following cases occurs, the system may have a malfunction. Have the
vehicle inspected at an Authorized Mazda Dealer.

¾ The light fl ashes while the vehicle is being driven.
¾ The light does not illuminate when the ignition is switched ON.
¾ Always use tires for all wheels that are of the specifi ed size, and the same manufacture,
brand, and tread pattern. In addition, do not use tires with signifi cantly diff erent
wear patterns on the same vehicle. If such improper tires are used, the LDWS may not
operate normally.
¾ When an emergency spare tire is used, the system may not operate normally.
(Amber)
High Beam Control
System (HBC)
Warning Light
*
When illuminated
The warning light illuminates if the area of the windshield in front of the forward sensing
camera (FSC) is fogged or obstructed.
When fl ashing
This light fl ashes if there is a malfunction in the high beam control system (HBC). Have
your vehicle inspected by an Authorized Mazda Dealer.
(Amber)
(Flashing)
Mazda Radar
Cruise Control
(MRCC) Warning
Light
*
The warning light fl ashes if there is a malfunction in the system while the Mazda Radar
Cruise Control (MRCC) system is on. Have your vehicle inspected at an Authorized Mazda
Dealer.
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7–30
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
Taking Action
Take the appropriate action and verify that the warning light turns off.
Signal Warning Action to be taken
Low Fuel
Warning
Light The light turns on when the remaining fuel is
about 9.0 L (2.3 US gal, 1.9 Imp gal). NOTE
The light illumination timing may vary because
fuel inside the fuel tank moves around according
to the driving conditions and the vehicle posture. Add fuel.
Check
Fuel Cap
Warning
Light If the check fuel cap warning light illuminates
while driving, the fuel-fi ller cap may not be
installed properly. Stop the engine and reinstall the fuel-fi ller cap.
Refer to Fuel-Filler Cap on page 3-30
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7–31
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
Signal Warning Action to be taken
Seat Belt
Warning
Light
With warning light for front passenger's seat
The seat belt warning light illuminates if the driver or front passenger's seat is occupied and the
seat belt is not fastened with the ignition switched ON.
Without warning light for front passenger's seat
The seat belt warning light illuminates if the driver's seat is occupied and the seat belt is not
fastened with the ignition switched ON.
Seat belt reminder
NOTE
Consult an Authorized Mazda Dealer to deactivate or restore the belt reminder. Though the belt
reminder can be deactivated, doing so will defeat the purpose of the system to warn the driver and
the front passenger in the event that their seat belts are not fastened. For the safety of the driver
and front passenger, Mazda recommends not deactivating the belt reminder.
Front seat
If the vehicle is driven with the driver or front passenger's seat belt unfastened, the seat belt
warning light illuminates and a warning beep sounds.
NOTE
Some models do not have the seat belt reminder function for the front passenger's seat.
If the driver or front passenger's seat belt is unfastened (only when the front passenger seat is
occupied) and the vehicle is driven at a speed faster than about 20 km/h (12 mph), the warning light
will fl ash and a beep sound will be heard. After a short time, the warning light stops fl ashing, but
remains illuminated, and the beep sound stops.
Until a seat belt is fastened or a given period of time has elapsed, the beep sound will not stop even
if the vehicle speed falls below 20 km/h (12 mph).
NOTE
yThe warning light fl ashes and a beep sound will be heard for about 6 seconds if the driver's seat
belt is not fastened when the ignition is switched ON.
y If a driver or front passenger's seat belt is unfastened after the beep sound turns off (warning light
remains illuminated), and the vehicle speed exceeds 20 km/h (12 mph), the warning light fl ashes
and beep sound activates again.
yPlacing heavy items on the front passenger seat may cause the front passenger seat belt warning
function to operate depending on the weight of the item.
yTo allow the front passenger seat weight sensor to function properly, do not place and sit on
an additional seat cushion on the front passenger seat. The sensor may not function properly
because the additional seat cushion could cause sensor interference.
y When a small child sits on the front passenger seat, it is possible that the warning light will not
operate.
Door-Ajar
Warning
Light The light turns on if any door is not closed
securely. Close the door securely.
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*Some models.7–32
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
Signal Warning Action to be taken
Low Washer
Fluid Level
Warning
Light This warning light indicates that little washer
fl uid remains. Add washer fl uid (page 6-31 ).
Tire
Pressure
Monitoring
System
Warning
Light
*
When the warning light illuminates, and the
warning beep sound is heard (about 3 seconds),
tire pressure is too low in one or more tires.
WARNING
If the tire pressure monitoring system
warning light illuminates or fl ashes, or the
tire pressure warning beep sound is heard,
decrease vehicle speed immediately and
avoid sudden maneuvering and braking:
If the tire pressure monitoring system
warning light illuminates or fl ashes, or the
tire pressure warning beep sound is heard,
it is dangerous to drive the vehicle at high
speeds, or perform sudden maneuvering
or braking. Vehicle drivability could worsen
and result in an accident.
To determine if you have a slow leak or a
fl at, pull over to a safe position where you
can check the visual condition of the tire
and determine if you have enough air to
proceed to a place where air may be added
and the system monitored again by an
Authorized Mazda Dealer or a tire repair
station.

Do not ignore the TPMS Warning Light:
Ignoring the TPMS warning light is
dangerous, even if you know why it is
illuminated. Have the problem taken care of
as soon as possible before it develops into
a more serious situation that could lead to
tire failure and a dangerous accident. Inspect the tires and adjust to the specifi ed
infl ation pressure (page 6-41 ).
NOTE
yPerform tire pressure adjustment when the tires
are cold. Tire pressure will vary according
to the tire temperature, therefore let the
vehicle stand for 1 hour or only drive it 1.6
km (1 mile) or less before adjusting the tire
pressures. When pressure is adjusted on hot
tires to the cold infl ation pressure, the TPMS
warning light/beep may turn on after the tires
cool and pressure drops below specifi cation.
Also, an illuminated TPMS warning light,
resulting from the tire air pressure dropping
due to cold ambient temperature will remain
illuminated even if the ambient temperature
rises. In this case, it will also be necessary
to adjust the tire air pressures. If the TPMS
warning light illuminates due to a drop in tire
air pressure, make sure to check and adjust the
tire air pressures.
yTires lose air naturally over time and the
TPMS cannot tell if the tires are getting too
soft over time or you have a fl at. However,
when you fi nd one low tire in a set of four-that
is an indication of trouble; you should have
someone drive the vehicle slowly forward
so you can inspect any low tire for cuts and
any metal objects sticking through tread or
sidewall. Put a few drops of water in the valve
stem to see if it bubbles indicating a bad
valve. Leaks need to be addressed by more
than simply reinfl ating the tire as leaks are
dangerous — take it to an Authorized Mazda
Dealer.
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